fix typo in doc: name of task to start a worker (#1299)
fix typo in doc: name of task to start a worker (#1299)


etalab/udata,etalab/udata,opendatateam/udata,opendatateam/udata,davidbgk/udata,davidbgk/udata,davidbgk/udata,etalab/udata,opendatateam/udata